[PVFS-users] version 1.6.2 slower than 1.60?

[Rob Ross]

Hi Jeremy,

What else changed in the system?  What configure options did you use?  
Have you since re-run the 1.6.0 numbers and get the same thing?

Thanks for the report,

Rob

On Tue, 13 Jan 2004, Jeremy Enos wrote:

> Hi folks-
> I did crude benchmark comparisons using dd to write to a filesystem mounted 
> via the pvfsd kernel module.  I had just moved from version 1.6.0 to 1.6.2, 
> and the performance dropped over 90%.  Could I be doing something wrong?
> Stat of test:
> # of iod: 16
> # of clients: 64
> block size: 65536
> count: 2000
> 
> I did concurrent writes/reads and timed from start to finish, and then 
> calculate an aggregate dtr.  I know it's a crude test, but it's a 
> repeatable difference between 1.6.0 and 1.6.2.
> Let me know if you have any suggestions.
> 
> 	Jeremy